PT-2026-76182

Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or potentially remote code execution. When processing a PKCS7 or S/MIME signed...

RLSA-2026:44438 Important: compat-openssl11 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries from the 1.1.1 version and is provided for compatibility with previous releases. Security Fixes: openssl: Heap Use-After-Free in OpenSSL PKCS7verify...

compat-openssl11 security update

An update is available for compat-openssl11. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The OpenSSL toolkit provides support for secure communications betwe...

openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()

A flaw was found in OpenSSL. When processing a specially crafted PKCS7 or S/MIME Secure/Multipurpose Internet Mail Extensions signed message, a heap use-after-free vulnerability in the PKCS7verify function can be triggered. This occurs if the SignedData digestAlgorithms field is present as an emp...

Important: compat-openssl11 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries from the 1.1.1 version and is provided for compatibility with previous releases. Security Fixes: openssl: Heap Use-After-Free in OpenSSL PKCS7verify...

ALSA-2026:44438 Important: compat-openssl11 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries from the 1.1.1 version and is provided for compatibility with previous releases. Security Fixes: openssl: Heap Use-After-Free in OpenSSL PKCS7verify...

Important: Red Hat Security Advisory: compat-openssl11 security update

An update for compat-openssl11 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity ratin...

openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()

A flaw was found in OpenSSL. When processing a specially crafted PKCS7 or S/MIME Secure/Multipurpose Internet Mail Extensions signed message, a heap use-after-free vulnerability in the PKCS7verify function can be triggered. This occurs if the SignedData digestAlgorithms field is present as an emp...

RHEL 9 : compat-openssl11 (RHSA-2026:39012)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:39012 advisory. The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the librarie...

MiracleLinux 8 : compat-openssl10-1.0.2o-4.el8_10.3 (AXSA:2026-1238:02)

The remote MiracleLinux 8 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2026-1238:02 advisory. openssl: Heap Use-After-Free in OpenSSL PKCS7verify CVE-2026-45447 Tenable has extracted the preceding description block directly from the MiracleLinux...

Important: Red Hat Security Advisory: compat-openssl10 security update

An update for compat-openssl10 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabili...

Important: compat-openssl10 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries and is provided for compatibility with previous releases and software that does not support compilation with OpenSSL-1.1. Security Fixes: openssl: Heap...

ALSA-2026:36215 Important: compat-openssl10 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries and is provided for compatibility with previous releases and software that does not support compilation with OpenSSL-1.1. Security Fixes: openssl: Heap...

RHEL 8 : compat-openssl10 (RHSA-2026:36215)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:36215 advisory. The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries and is...

compat-openssl10 security update

1.1.0-2o-4.3 - Fix CVE-2026-45447: Fix double-free of caller-owned BIO in PKCS7verify...

SUSE SLES15 Security Update : openssl-1_1-livepatches (SUSE-SU-2026:2621-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:2621-1 advisory. This update for openssl-11-livepatches fixes the following issues - CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7verify bsc1266357. Tenable has...

Oracle Linux 8 : openssl (ELSA-2026-50323)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50323 advisory. - Fix CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7verify Resolves: RHEL-180978 - Fix CVE-2024-4741: Use After Free with SSLfreebuffers Resolve...

CVE-2026-7511 PKCS7_verify signer confusion allows forged signatures to be accepted

PKCS7verify signer confusion allows forged signatures, where the signer associated with a signature is not correctly bound, permitting a forged signature to be accepted...

CVE-2026-7511

PKCS7verify signer confusion allows forged signatures, where the signer associated with a signature is not correctly bound, permitting a forged signature to be accepted...

SUSE SLES12 Security Update : openssl-1_0_0 (SUSE-SU-2026:2396-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2396-1 advisory. This update for openssl-100 fixes the following issues - CVE-2026-7383: Possible Heap Buffer Overflow in ASN.1 Multibyte String Conversion...